Xperia Z2 and Z3 series getting Stagefright bug fix via Android 5.1.1 build 23.4.A.1.232
A new firmware build is rolling out across the Xperia Z3 and Z2 series devices with build number 23.4.A.1.232. Sony has finally patched the notorious Stagefright vulnerability in this release. The bug was not present in the last build 23.4.A.1.200 Sony issued on 23 September.
Folks at XDA forum have confirmed the Stagefright fix for the Xperia handset. Apart from this, build 23.4.A.1.232 incorporates other fixes, including for the USSD bug issue. Besides, there are improvements in terms of performance, interface smoothness and battery life over the previous build .200. Head over to the forum if you want to know more about the detailed system changes that .232 brings over .200. It has been posted by well known XDA developer Jackos, who says this update brings a new kernel and much more. The update is live for owners of Xperia Z2, Z3, Z3 Compact, Z3 Dual and Z3 Tablet Compact
While Sony has just released the patch for the security flaw, researchers at Zimperium Mobile security firm, which first discovered the vulnerability in July, has now found out Stagefright 2.0 is a set of two vulnerabilities, which allow hackers to take control of your Android device via MP3 audio or MP4 video files. The first vulnerability impacts devices powered with Android version 1.0 released in 2008, whereas the second vulnerability affects those running Android 5.0 Lollipop or higher.
Sony is yet to update the software support page with the latest release. Nevertheless, you can manually fetch the update by going to Settings>> About phone>> Software update. If it hasn't arrived in your region, you can always make use of the FTF links below and flash them manually via Sony flash tool.
FTF links:
Xperia Z2 D6503 or from here
Xepria Z3
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